Home / 757,619.64-1,045,908.18-553,441.32

Finding the Fourth Proportional to 757,619.64, 1,045,908.18 and 553,441.32

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Solution

The fourth proportional to 757,619.64, 1,045,908.18 and 553,441.32 is: 764,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,619.64 : 1,045,908.18 = 553,441.32 : x
  2. Step 2: Convert to fraction form
    757,619.64/1,045,908.18 = 553,441.32/x
  3. Step 3: Cross multiply
    757,619.64x = 1,045,908.18 × 553,441.32
  4. Step 4: Simplify right side
    757,619.64x = 578,848,803,738.00
  5. Step 5: Solve for x
    x = 578,848,803,738.00/757,619.64
  6. Step 6: Final answer
    x = 764,036.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.